2 Matching Results

Search Results

Results: 1 - 2

Concrete Composition

Description: Patent for a formulation of waterproof concrete that utilizes lava rocks.
Date: December 17, 1918
Creator: Charles E. Barglebaugh
Partner: UNT Libraries Government Documents Department

Propeller-Wheel.

Description: Patent for a propeller-wheel for steam and other vessels. This invention is meant "to provide a propeller by which a maximum speed may be obtained without a proportionate increase in toe motive power employed" (lines 15-18). It doesn't have a lateral resistance of water and does not diffuse water in all directions.
Date: December 17, 1895
Creator: Parker, Elisha J.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen